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| Number | Title | Issue Date |
| 8002612 | Attachment system for a sanding tool An attachment system for attaching an abrasive article, such as an abrasive sheet or disc, to a sanding tool includes an article having a first major surface including an attachment region with attachment material for attachment with an associated mating surface on ... | 08/23/2011 |
| 7377018 | Method of replacing a subpad of a polishing apparatus A subpad support for use in a web format or belt format polishing apparatus for polishing one or more layers of semiconductor device structures. The subpad support includes a subpad retention element for nonadhesively securing the subpad thereto. The subpad support ... | 05/27/2008 |
| 7339822 | Current-limited latch A current-limited latch circuit is used within a nonvolatile memory integrated circuit for decoding, programming, erase, and other operations. In one implementation, there are a number of latches connected together in parallel between two power supply lines. A curre... | 03/04/2008 |
| 7329175 | Abrasive article and methods of making same A porous abrasive article that allows air and dust particles to pass through. The abrasive article has a screen abrasive and a porous attachment interface. The screen abrasive has an abrasive layer comprising a plurality of erectly oriented abrasive particles and at... | 02/12/2008 |
| 7319630 | Current-limited latch A current-limited latch circuit is used within a nonvolatile memory integrated circuit for decoding, programming, erase, and other operations. In one implementation, there are a number of latches connected together in parallel between two power supply lines. A curre... | 01/15/2008 |
| 7311591 | Abrasive materials A direct-coated sponge abrasive material bearing a releasable securing means comprising one part of a two part hook and loop attachment system is provided. ... | 12/25/2007 |
| 7291188 | Polishing cloth and method of manufacturing semiconductor device A polishing cloth used in the chemical mechanical polishing treatment comprises a molded body of (meth)acrylic copolymer having an acid value of 10 to 100 mg KOH/g and a hydroxyl group value of 50 to 150 mg KOH/g. ... | 11/06/2007 |
| 7261622 | Multiple cutting edged sanding wheel An improved sanding wheel configured to rotate axially for sanding or polishing milled contours that will provide sharp edges and corners in the workpiece. The preferred sanding wheel has a cylindrical body with a plurality of segments extending radially from the bo... | 08/28/2007 |
| 7258705 | Abrasive article and methods of making same A porous abrasive article that allows air and dust particles to pass through. The abrasive article has a screen abrasive and a polymer netting with hooks. The screen abrasive has an abrasive layer comprising a plurality of abrasive particles and at least one binder.... | 08/21/2007 |
| 7252694 | Abrasive article and methods of making same A porous abrasive article that allows air and dust particles to pass through. The abrasive article has a screen abrasive and an apertured attachment interface with hooks. The screen abrasive has an abrasive layer comprising a plurality of abrasive particles and at l... | 08/07/2007 |
| 7225510 | Fastener product A hook member is provided that is capable of engaging fibers. The hook member includes a stem extending upwardly from a sheet-form base to a distal end. The stem has leading and trailing edges that form an apex angle therebetween. A crook is integrally formed with a... | 06/05/2007 |
| 7223165 | Abrasive pad for a manual grinding machine An abrasive pad for a manual grinding machine, in particular for an eccentric grinder, has a flat contact surface (13) on which an abrasive sheet is placed, and attachment means located on the contact surface (13) for creating an adhesive connection wi... | 05/29/2007 |
| 7192340 | Polishing pad, method of producing the same, and cushion layer for polishing pad The polishing pad of this invention is a polishing pad effecting stable planarizing processing, at high polishing rate, materials requiring surface flatness at high level, such as a silicon wafer for semiconductor devices, a magnetic disk, an optical lens etc. This ... | 03/20/2007 |
| 7160413 | Layered support and method for laminating CMP pads A device and method for laminating CMP pads includes supporting the CMP pad with a board having material compositions similar to the CMP pad. By thus supporting the CMP pad during lamination, there is less likelihood of damage to the CMP pad and better adhesion from... | 01/09/2007 |
| 7134953 | Endless abrasive belt and method of making the same Endless abrasive belt useful for polishing or otherwise abrading surfaces. ... | 11/14/2006 |
| 7131902 | Abrasive holder An abrasive tool comprising of a base portion (2), having a foam layer (3) affixed to the abrasive tool base portion, and a plastic film layer (4) affixed, bonded or glued to the foam layer. This tool is adapted to receive an abrasive material l... | 11/07/2006 |
| 7125326 | Apparatus and method for removing a CMP polishing pad from a platen The invention provides a pad removal apparatus and method that enables improved pad removal from a platen. ... | 10/24/2006 |
| 7101275 | Resilient polishing pad for chemical mechanical polishing A resilient, laminated polishing pad for chemical mechanical polishing is disclosed. The polishing pad includes a base layer and a polishing layer bonded by a hot-melt adhesive. The hot-melt adhesive of the present invention provides a Tpeel strength for the polishi... | 09/05/2006 |
| 7077733 | Subpad support with a releasable subpad securing element and polishing apparatus including the subpad support A subpad support for use in a web format or belt format polishing apparatus for polishing one or more layers of semiconductor device structures. The subpad support includes a subpad retention element for non-adhesively securing the subpad thereto. The subpad support... | 07/18/2006 |
| 7044561 | Adhesive wheel balancing weights having a serrated backing strip Disclosed herein is a wheel balancing device having a plurality of wheel balancing weights attached to a top surface of an elongate tape, and a backing strip removably attached to and protecting an adhesive layer on the bottom surface of the tape. The backing strip ... | 05/16/2006 |
| 7044990 | Vitrified bond tool and method of manufacturing the same A vitrified bond tool including: (a) a support body; (b) a vitrified bond layer which is formed on a working surface of the support body; and (c) a plurality of abrasive grains which are held by the vitrified bond layer so as to be fixed relative to the working surf... | 05/16/2006 |
| 7044834 | Abrasive article An abrasive sheet member is disclosed, including a substrate having first and second major surfaces, an abrasive on the first major surface, and a plurality of hooking stems on the second major surface. The hooking stems are adapted to hook engaging structures on an... | 05/16/2006 |
| 7008589 | Method and device for producing fastener parts from radiation cured plastic materials A process produces cling-fastener parts with a large number of interlocking members (24) from a formulation encompassing radiation-crosslinkable prepolymers. The prepolymer is molded, cast, and/or compression molded into the shape of a large number of interlo... | 03/07/2006 |
| 6988941 | Engaging assembly for abrasive back-up pad A back-up pad for supporting an abrasive article is disclosed. The back-up pad includes an engagement assembly bonded to a first major surface. The engagement assembly includes a first region including a plurality of first engagement means having a first durability.... | 01/24/2006 |
| 6966823 | Buffing head and method for reconditioning an optical disc A buffing head (34) includes a rotary element (36) for retaining an optical disc (20) and causing the disc (20) to rotate at a first speed. A buffing element (38) contacts a work surface (30) of the optical disc (20),... | 11/22/2005 |
| 6960122 | Optical disc repairing device An optical disc repairing device is mounted on a repairing machine base to perform cleaning, maintenance and repair of the optical disc. The repairing device includes a movement transmitting element, a connecting element mounted on the movement transmitting element,... | 11/01/2005 |
| 6929534 | Polisher and polishing method A polisher for polishing a curved surface such as a concave surface of a spectacle lens has a structure in which a polishing pad 3 comprising water passing grooves 5 having a width W of 0.1 to 5 mm is adhered to a dome-shaped elastic base member 2 | 08/16/2005 |
| 6911059 | Abrasive pad and process for the wet-chemical grinding of a substrate surface An abrasive pad is suitable for the wet-chemical grinding of a substrate surface. The novel abrasive pad has a polymer matrix with a defined water-solubility. The water-solubility is realized by the level of nonpolar and polar repeat units in the polymers. ... | 06/28/2005 |
| 6884157 | Abrasive article An abrasive sheet member is disclosed, including a substrate having first and second major surfaces, an abrasive on the first major surface, and a plurality of hooking stems on the second major surface. The hooking stems are adapted to hook engaging structures on an... | 04/26/2005 |
| 6848974 | Polishing pad for semiconductor wafer and polishing process using thereof An object of the present invention is to provide a polishing pad for a semiconductor wafer which can perform a stable polishing while preventing a polishing layer from floating up from a supporting layer and a surface of a polishing pad from bending during polishing... | 02/01/2005 |
| 6716092 | Apparatus for making a polishing pad with a partial adhesive coating A method for selectively altering a polishing pad adhesive layer includes providing a mask having transparent regions and opaque regions and directing radiation toward the mask so that the radiation passes through the transparent regions and impinges onto the adhesi... | 04/06/2004 |
| 6666752 | Wafer retainer and method for attaching/detaching the wafer retainer to/from polishing machine base plate A wafer retainer includes: a foam layer capable of adsorbing a wafer on a surface thereof in a detachable manner; a first pressure-sensitive adhesive layer formed on a back face of the foam layer; a support formed on a back face of the first pressure-sens... | 12/23/2003 |
| 6626740 | Self-leveling pads and methods relating thereto A polishing pad having a soft layer with a porous structure impregnated with a relatively hard material that locally deforms irreversibly under polishing pressure to a substantially flat polishing pad surface.... | 09/30/2003 |
| 6620036 | Stacked polishing pad having sealed edge A stacked polishing pad includes an upper polishing layer and a lower sub-layer having major faces which are in contact with each other. The polishing layer is substantially impermeable to liquid while the sub-layer is liquid absorbent. The sub-layer has ... | 09/16/2003 |
| 6616520 | Polishing cloth and method for attaching/detaching the polishing cloth to/from polishing machine base plate A polishing cloth includes: a polishing cloth substrate; a first-pressure adhesive layer formed on a back face of the polishing cloth substrate; as support formed on a back face of the first pressure-sensitive adhesive layer; a second pressure-sensitive a... | 09/09/2003 |
| 6604990 | Polishing pad and method of producing the same A polishing pad for polishing glass and the like has a working layer with a plurality of polishing grains, an attaching layer with which the polishing pad is attachable to a polishing head of a power tool, and a connection layer which connects the working... | 08/12/2003 |
| 6579162 | Abrasive article An abrasive sheet member is disclosed, including a substrate having first and second major surfaces, an abrasive on the first major surface, and a plurality of hooking stems on the second major surface. The hooking stems are adapted to hook engaging struc... | 06/17/2003 |
| 6579161 | Abrasive article An abrasive sheet member is disclosed, including a substrate having first and second major surfaces, an abrasive on the first major surface, and a plurality of hooking stems on the second major surface. The hooking stems are adapted to hook engaging struc... | 06/17/2003 |
| 6575822 | Sanding glove A sanding glove for treating an area of an object. The sanding glove includes a glove portion, a sanding portion releasably secured to the glove portion and a device for releasably securing the sanding portion to the glove portion. The user is able to tre... | 06/10/2003 |
| 6547657 | Apparatus and buffing element for reconditioning digital recording discs An apparatus (46) for reconditioning a protective surface (30) of an optically-read digital recording disc (20) includes a turntable (48) configured to receive a center hole (24) of the disc (20) and a first motor (52), coupled to the turntable (48), for ... | 04/15/2003 |
